<% include layout.html %>
<% if(req.a) { %>
	<p class="result">
		<%= req.a %> squared = <%= req.result %> 
	</p>
<% } %>
<p>Enter numbers to square</p>
<form action="/square" name="square" method="get">
	A: <input type="text" name="a" /><br />
	<input type="submit" value="submit" />
</form>'